/* makepath.c -- Ensure that a directory path exists.
- Copyright (C) 1990, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+
+ Copyright (C) 1990, 1997, 1998, 1999, 2000, 2002, 2003, 2004 Free
+ Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
# include <config.h>
#endif
-#if __GNUC__
-# define alloca __builtin_alloca
-#else
-# if HAVE_ALLOCA_H
-# include <alloca.h>
-# else
-# ifdef _AIX
- # pragma alloca
-# else
-char *alloca ();
-# endif
-# endif
-#endif
+#include "makepath.h"
+
+#include <alloca.h>
#include <stdio.h>
#include <sys/types.h>
# include <unistd.h>
#endif
-#if STAT_MACROS_BROKEN
-# undef S_ISDIR
-#endif
-
-#if !defined(S_ISDIR) && defined(S_IFDIR)
-# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
-#endif
-
-#ifndef S_IRWXUGO
-# define S_IRWXUGO (S_IRWXU | S_IRWXG | S_IRWXO)
-#endif
-
-#if STDC_HEADERS
-# include <stdlib.h>
-#endif
-
-#if HAVE_ERRNO_H
-# include <errno.h>
-#endif
-
-#ifndef errno
-extern int errno;
-#endif
-
-#if HAVE_STRING_H
-# include <string.h>
-#else
-# include <strings.h>
-# ifndef strchr
-# define strchr index
-# endif
-#endif
-
-#ifndef S_ISUID
-# define S_ISUID 04000
-#endif
-#ifndef S_ISGID
-# define S_ISGID 02000
-#endif
-#ifndef S_ISVTX
-# define S_ISVTX 01000
-#endif
-#ifndef S_IRUSR
-# define S_IRUSR 0200
-#endif
-#ifndef S_IWUSR
-# define S_IWUSR 0200
-#endif
-#ifndef S_IXUSR
-# define S_IXUSR 0100
-#endif
-
-#ifndef S_IRWXU
-# define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
-#endif
-
-#define WX_USR (S_IWUSR | S_IXUSR)
-
-/* Include this before libintl.h so we get our definition of PARAMS. */
-#include "makepath.h"
-
-#if HAVE_LOCALE_H
-# include <locale.h>
-#endif
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
-#if ENABLE_NLS
-# include <libintl.h>
-# define _(Text) gettext (Text)
-#else
-# define _(Text) Text
-#endif
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
#include "save-cwd.h"
+#include "dirname.h"
#include "error.h"
#include "quote.h"
+#include "stat-macros.h"
-void strip_trailing_slashes ();
+#define WX_USR (S_IWUSR | S_IXUSR)
#define CLEANUP_CWD \
do \
Restore working directory. */ \
if (do_chdir) \
{ \
- int _fail = restore_cwd (&cwd, NULL, NULL); \
+ if (restore_cwd (&cwd) != 0) \
+ { \
+ int _saved_errno = errno; \
+ error (0, errno, \
+ _("failed to return to initial working directory")); \
+ free_cwd (&cwd); \
+ errno = _saved_errno; \
+ return 1; \
+ } \
free_cwd (&cwd); \
- if (_fail) \
- return 1; \
} \
} \
while (0)
while (0)
/* Attempt to create directory DIR (aka DIRPATH) with the specified MODE.
- If CREATED_DIR_P is non-NULL, set *CREATED_DIR_P to non-zero if this
- function creates DIR and to zero otherwise. Give a diagnostic and
- return non-zero if DIR cannot be created or cannot be determined to
+ If CREATED_DIR_P is non-NULL, set *CREATED_DIR_P if this
+ function creates DIR and clear it otherwise. Give a diagnostic and
+ return false if DIR cannot be created or cannot be determined to
exist already. Use DIRPATH in any diagnostic, not DIR.
- Note that if DIR already exists, this function returns zero
- (indicating success) and sets *CREATED_DIR_P to zero. */
+ Note that if DIR already exists, this function returns true
+ (indicating success) and clears *CREATED_DIR_P. */
-int
-make_dir (const char *dir, const char *dirpath, mode_t mode, int *created_dir_p)
+bool
+make_dir (const char *dir, const char *dirpath, mode_t mode,
+ bool *created_dir_p)
{
- int fail = 0;
- int created_dir;
+ bool ok = true;
+ bool created_dir;
created_dir = (mkdir (dir, mode) == 0);
{
error (0, saved_errno, _("cannot create directory %s"),
quote (dirpath));
- fail = 1;
+ ok = false;
}
else if (!S_ISDIR (stats.st_mode))
{
error (0, 0, _("%s exists but is not a directory"), quote (dirpath));
- fail = 1;
+ ok = false;
}
else
{
if (created_dir_p)
*created_dir_p = created_dir;
- return fail;
+ return ok;
}
/* Ensure that the directory ARGPATH exists.
- Remove any trailing slashes from ARGPATH before calling this function.
Create any leading directories that don't already exist, with
permissions PARENT_MODE.
If VERBOSE_FMT_STRING is nonzero, use it as a printf format
string for printing a message after successfully making a directory,
with the name of the directory that was just made as an argument.
- If PRESERVE_EXISTING is non-zero and ARGPATH is an existing directory,
+ If PRESERVE_EXISTING is true and ARGPATH is an existing directory,
then do not attempt to set its permissions and ownership.
- Return 0 if ARGPATH exists as a directory with the proper
- ownership and permissions when done, otherwise 1. */
+ Return true iff ARGPATH exists as a directory with the proper
+ ownership and permissions when done. */
-int
+bool
make_path (const char *argpath,
- int mode,
- int parent_mode,
+ mode_t mode,
+ mode_t parent_mode,
uid_t owner,
gid_t group,
- int preserve_existing,
+ bool preserve_existing,
const char *verbose_fmt_string)
{
struct stat stats;
- int retval = 0;
+ bool retval = true;
if (stat (argpath, &stats))
{
char *slash;
- int tmp_mode; /* Initial perms for leading dirs. */
- int re_protect; /* Should leading dirs be unwritable? */
+ mode_t tmp_mode; /* Initial perms for leading dirs. */
+ bool re_protect; /* Should leading dirs be unwritable? */
struct ptr_list
{
char *dirname_end;
struct ptr_list *next;
};
struct ptr_list *p, *leading_dirs = NULL;
- int do_chdir; /* Whether to chdir before each mkdir. */
+ bool do_chdir; /* Whether to chdir before each mkdir. */
struct saved_cwd cwd;
char *basename_dir;
char *dirpath;
&& (parent_mode & (S_ISUID | S_ISGID | S_ISVTX)) != 0))
{
tmp_mode = S_IRWXU;
- re_protect = 1;
+ re_protect = true;
}
else
{
tmp_mode = parent_mode;
- re_protect = 0;
+ re_protect = false;
}
/* If we can record the current working directory, we may be able
to do the chdir optimization. */
- do_chdir = !save_cwd (&cwd);
+ do_chdir = (save_cwd (&cwd) == 0);
/* If we've saved the cwd and DIRPATH is an absolute pathname,
we must chdir to `/' in order to enable the chdir optimization.
So if chdir ("/") fails, turn off the optimization. */
if (do_chdir && *dirpath == '/' && chdir ("/") < 0)
- do_chdir = 0;
+ do_chdir = false;
slash = dirpath;
while (1)
{
- int newly_created_dir;
- int fail;
+ bool newly_created_dir;
/* slash points to the leftmost unprocessed component of dirpath. */
basename_dir = slash;
basename_dir = dirpath;
*slash = '\0';
- fail = make_dir (basename_dir, dirpath, tmp_mode, &newly_created_dir);
- if (fail)
+ if (! make_dir (basename_dir, dirpath, tmp_mode, &newly_created_dir))
{
CLEANUP;
- return 1;
+ return false;
}
if (newly_created_dir)
if ((owner != (uid_t) -1 || group != (gid_t) -1)
&& chown (basename_dir, owner, group)
-#if defined(AFS) && defined (EPERM)
+#if defined AFS && defined EPERM
&& errno != EPERM
#endif
)
error (0, errno, _("cannot change owner and/or group of %s"),
quote (dirpath));
CLEANUP;
- return 1;
+ return false;
}
if (re_protect)
stat and mkdir process O(n^2) file name components. */
if (do_chdir && chdir (basename_dir) < 0)
{
- error (0, errno, _("cannot chdir to directory, %s"),
+ error (0, errno, _("cannot chdir to directory %s"),
quote (dirpath));
CLEANUP;
- return 1;
+ return false;
}
*slash++ = '/';
if (!do_chdir)
basename_dir = dirpath;
+ /* Done creating leading directories. Restore original umask. */
+ umask (oldmask);
+
/* We're done making leading directories.
Create the final component of the path. */
- if (make_dir (basename_dir, dirpath, mode, NULL))
+ if (! make_dir (basename_dir, dirpath, mode, NULL))
{
CLEANUP;
- return 1;
+ return false;
}
- /* Done creating directories. Restore original umask. */
- umask (oldmask);
-
if (verbose_fmt_string != NULL)
error (0, 0, verbose_fmt_string, quote (dirpath));
{
error (0, errno, _("cannot change owner and/or group of %s"),
quote (dirpath));
- retval = 1;
+ retval = false;
}
}
if ((mode & ~S_IRWXUGO)
&& chmod (basename_dir, mode))
{
- error (0, errno, _("cannot change permissions of %s"), quote (dirpath));
- retval = 1;
+ error (0, errno, _("cannot change permissions of %s"),
+ quote (dirpath));
+ retval = false;
}
CLEANUP_CWD;
*(p->dirname_end) = '\0';
if (chmod (dirpath, parent_mode))
{
- error (0, errno, "cannot change permissions of %s",
+ error (0, errno, _("cannot change permissions of %s"),
quote (dirpath));
- retval = 1;
+ retval = false;
}
}
}
if (!S_ISDIR (stats.st_mode))
{
error (0, 0, _("%s exists but is not a directory"), quote (dirpath));
- return 1;
+ return false;
}
if (!preserve_existing)
{
error (0, errno, _("cannot change owner and/or group of %s"),
quote (dirpath));
- retval = 1;
+ retval = false;
}
if (chmod (dirpath, mode))
{
error (0, errno, _("cannot change permissions of %s"),
quote (dirpath));
- retval = 1;
+ retval = false;
}
}
}
projects / gnulib.git / blobdiff